text: //
  //  UIScollView+GXZPCEScrollViewEX.h
  //  avarsha
  //
  //  Created by gxz on 16/5/17.
  //  Copyright © 2016年 avarsha. All rights reserved.
  //
  
  #import "ASBackTopView.h"
  @interface UIScrollView (GXZPCEScrollViewEX)
  
  @property (nonatomic,weak) GXZPCEBackTopView* backTopView;
  @property (nonatomic,assign)BOOL backTopViewHiden;
  //- (void)scrollViewDidScroll:(UIScrollView *)scrollView;
  - (void)scrollViewDidScroll:(UIScrollView *)scrollView Bottom:(CGFloat)height;
  
  - (void)scrollViewDidScroll:(UIScrollView *)scrollView Bottom:(CGFloat)height indexViewInteger:(NSInteger)index;
  
  -(void)scrollToTopVisable;
  @end
  